CN208424355U - A kind of one-stop intelligent movable police terminal of opening - Google Patents
A kind of one-stop intelligent movable police terminal of opening Download PDFInfo
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- CN208424355U CN208424355U CN201821074061.2U CN201821074061U CN208424355U CN 208424355 U CN208424355 U CN 208424355U CN 201821074061 U CN201821074061 U CN 201821074061U CN 208424355 U CN208424355 U CN 208424355U
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Abstract
The utility model discloses a kind of one-stop intelligent movable police terminals of opening, including signal input circuit, amplification adjusting circuit and voltage-stabilizing output circuit, the signal input circuit receives the signal of open one-stop intelligent movable police terminal received signals signal transmission passage input terminal, with inductance L1, capacitor C2 and capacitor C3 composition π type filter circuit filtering, the signal that the amplification adjusting circuit divides two-way to receive signal input circuit output, all the way through triode Q1, the amplifying circuit amplification of triode Q2 composition, two road transports transport and placing device AR2, transport and placing device AR1 is the same as phase amplified signal, wherein the anti-phase input of transport and placing device AR2 terminates triode Q1 emitter signal, the last voltage-stabilizing output circuit exports after forming voltage regulator circuit pressure stabilizing with triode Q3 and voltage-stabiliser tube D7, it can guarantee In open one-stop intelligent movable police terminal received signals signal transmission passage on the basis of the stability of signal, the transmission rate of signal is improved.
Description
Technical field
The utility model relates to movable police field of terminal technology, mobile more particularly to a kind of one-stop intelligent of opening
Police service terminal.
Background technique
Open one-stop intelligent movable police terminal is mobile using mobile phone, PDA or notebook etc. by wireless network
Terminal realizes the access to public security intranet police service information to complete the information-based means of police execution work.Make police's work
It is more convenient to make, however in practical operation, the one-stop intelligent movable police terminal works environment of the opening might have very much
Which type of environment no matter environment encounter all and must assure that open one-stop intelligent movable police terminal received signals signal
Signal in transmission channel can be stablized and quickly transmit, and have very strong anti-interference ability.
So the utility model provides the new scheme of one kind to solve the problems, such as this.
Utility model content
For above situation, for the defect for overcoming the prior art, the utility model is designed to provide a kind of opening
One-stop intelligent movable police terminal, have be skillfully constructed, the characteristic of human oriented design, can guarantee open one-stop intelligence
In energy movable police terminal received signals signal transmission passage on the basis of the stability of signal, the transmission speed of signal is improved
Rate.
Its technical solution solved is a kind of one-stop intelligent movable police terminal of opening, including signal input circuit,
Amplification adjusting circuit and voltage-stabilizing output circuit, the signal input circuit receive open one-stop intelligent movable police terminal and connect
The signal of the collection of letters number signal transmission passage input terminal, with inductance L1, capacitor C2 and capacitor C3 composition π type filter circuit filter
Wave, the signal that the amplification adjusting circuit divides two-way to receive signal input circuit output, all the way through triode Q1, triode Q2 group
At amplifying circuit amplification, two road transports transport and placing device AR2, transport and placing device AR1 are with phase amplified signal, the wherein reverse phase of transport and placing device AR2
Input termination triode Q1 emitter signal, the last voltage-stabilizing output circuit form pressure stabilizing with triode Q3 and voltage-stabiliser tube D7
It is exported after circuit pressure stabilizing, that is to say that the open one-stop intelligent movable police terminal received signals signal transmission passage of input is defeated
Enter in end；
The amplification adjusting circuit includes diode D3, and the anode of diode D3 meets the anode of diode D4, diode D3
Cathode connect the base stage of triode Q1, one end of the collector connecting resistance R1 of triode Q1, resistance R2, another termination of resistance R1
One end of another terminating resistor R4 of power supply+5V, resistance R2 and the collector of triode Q2, the emitter of triode Q1 connect three poles
The base stage of pipe Q2 and one end of resistance R3, the emitter ground connection of triode Q2, the cathode of diode D4 connect the same phase of transport and placing device AR2
Input terminal, one end of the anti-phase input terminating resistor R5 of transport and placing device AR2 and the other end of resistance R3, the output end of transport and placing device AR2
The other end of connecting resistance R5 and the non-inverting input terminal of transport and placing device AR1, anti-phase input terminating resistor R6, the resistance R7 of transport and placing device AR1
One end, resistance R6 the other end ground connection, transport and placing device AR1 output terminating resistor R7 the other end and resistance R4 the other end.
Compared with prior art, the beneficial effects of the utility model are as follows:
1. the signal that amplification adjusting circuit divides two-way to receive signal input circuit output, all the way through triode Q1, triode
The amplifying circuit amplification of Q2 composition, improves signal power, while power supply+5V is mentioned after resistance R1 pressure limiting for triode Q1 collector
High power supply and for transport and placing device AR1 export current potential compensation current potential, the loss of thermal compensation signal in circuit, two road transport transport and placing devices are provided
AR2, transport and placing device ARl are with phase amplified signal, and wherein the anti-phase input of transport and placing device AR2 terminates triode Q1 emitter signal, amplifier
Device AR1 and triode Q1 can be prevented signal potential is excessive from leading to jitter, be played and improved with the potential value of balanced signal
On the basis of effectiveness, guarantee the stability of signal.
Detailed description of the invention
Fig. 1 is a kind of module map of the one-stop intelligent movable police terminal of opening of the utility model.
Fig. 2 is a kind of schematic diagram of the one-stop intelligent movable police terminal of opening of the utility model.
Specific embodiment
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached
Fig. 2 can be clearly presented in the detailed description of embodiment.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Embodiment one, a kind of one-stop intelligent movable police terminal of opening, including signal input circuit, amplifier adjust electricity
Road and voltage-stabilizing output circuit, the signal input circuit receive open one-stop intelligent movable police terminal received signals letter
The signal of number transmission channel input terminal, with inductance L1, capacitor C2 and capacitor C3 composition π type filter circuit filtering, the amplifier
The signal that circuit divides two-way to receive signal input circuit output is adjusted, all the way through the amplification electricity of triode Q1, triode Q2 composition
Road amplification, two road transports transport and placing device AR2, transport and placing device AR1 are with phase amplified signal, and wherein the anti-phase input of transport and placing device AR2 terminates three
Pole pipe Q1 emitter signal, after the last voltage-stabilizing output circuit is with triode Q3 and voltage-stabiliser tube D7 composition voltage regulator circuit pressure stabilizing
Output that is to say in the open one-stop intelligent movable police terminal received signals signal transmission passage input terminal of input；
The signal that the amplification adjusting circuit divides two-way to receive signal input circuit output, all the way through triode Q1, three poles
The amplifying circuit amplification of pipe Q2 composition improves signal power, while power supply+5V is triode Q1 collector after resistance R1 pressure limiting
It improves power supply and exports current potential for transport and placing device AR1 and compensation current potential, the loss of thermal compensation signal in circuit, two road transport amplifiers are provided
Device AR2, transport and placing device AR1 are with phase amplified signal, and wherein the anti-phase input of transport and placing device AR2 terminates triode Q1 emitter signal, fortune
Putting device AR1 and triode Q1 can be prevented signal potential is excessive from leading to jitter, be played and mentioned with the potential value of balanced signal
On the basis of high RST efficiency of transmission, guarantee the stability of signal, the anode of diode D3 connects the anode of diode D4, diode
The cathode of D3 connects the base stage of triode Q1, one end of the collector connecting resistance R1 of triode Q1, resistance R2, the other end of resistance R1
Power supply+5V, one end of another terminating resistor R4 of resistance R2 and the collector of triode Q2 are connect, the emitter of triode Q1 connects three
The base stage of pole pipe Q2 and one end of resistance R3, the emitter ground connection of triode Q2, the cathode of diode D4 connect the same of transport and placing device AR2
Phase input terminal, one end of the anti-phase input terminating resistor R5 of transport and placing device AR2 and the other end of resistance R3, the output of transport and placing device AR2
The other end of terminating resistor R5 and the non-inverting input terminal of transport and placing device AR1, anti-phase input terminating resistor R6, the resistance of transport and placing device AR1
One end of R7, resistance R6 the other end ground connection, transport and placing device AR1 output terminating resistor R7 the other end and resistance R4 it is another
End.
Embodiment two, on the basis of example 1, the voltage-stabilizing output circuit use triode Q3 and voltage-stabiliser tube D7 group
At exporting after voltage regulator circuit pressure stabilizing, the stability of signal is further increased, that is to say the mobile police of the open one-stop intelligent of input
Terminal received signals be engaged in in signal transmission passage input terminal, one end of the collector connecting resistance R8 of triode Q3 and transport and placing device
The output end of AR1, the other end of the base stage connecting resistance R8 of triode Q3 and the cathode of voltage-stabiliser tube D7, the anode of voltage-stabiliser tube D7 connect
Ground, one end of the emitter connecting resistance R10 of triode Q3, another termination signal output port of resistance R10.
Embodiment three, on the basis of example 2, it is mobile that the signal input circuit receives open one-stop intelligent
The signal of police service terminal received signals signal transmission passage input terminal, with inductance L1, capacitor C2 and capacitor C3 composition π type filter
Wave circuit filtering improves the anti-interference of signal, a termination signal input port of inductance L1, one end of capacitor C2 and voltage-stabiliser tube
The cathode of D1, the plus earth of voltage-stabiliser tube D1, capacitor C2 the other end ground connection, one end of another termination capacitor C3 of inductance L1 and
The anode of diode D4, the other end ground connection of capacitor C3.
The utility model is when specifically used, a kind of one-stop intelligent movable police terminal of opening, including signal input
Circuit, amplification adjusting circuit and voltage-stabilizing output circuit, the signal input circuit receive open one-stop intelligent movable police
The signal of terminal received signals signal transmission passage input terminal forms π type filtered electrical with inductance L1, capacitor C2 and capacitor C3
Road filtering, the signal that the amplification adjusting circuit divides two-way to receive signal input circuit output, all the way through triode Q1, triode
The amplifying circuit amplification of Q2 composition, improves signal power, while power supply+5V is mentioned after resistance R1 pressure limiting for triode Q1 collector
High power supply and for transport and placing device AR1 export current potential compensation current potential, the loss of thermal compensation signal in circuit, two road transport transport and placing devices are provided
AR2, transport and placing device AR1 are with phase amplified signal, and wherein the anti-phase input of transport and placing device AR2 terminates triode Q1 emitter signal, amplifier
Device AR1 and triode Q1 can be prevented signal potential is excessive from leading to jitter, be played and improved with the potential value of balanced signal
On the basis of effectiveness, guarantee the stability of signal, the last voltage-stabilizing output circuit uses triode Q3 and pressure stabilizing
It is exported after pipe D7 composition voltage regulator circuit pressure stabilizing, that is to say the open one-stop intelligent movable police terminal received signals letter of input
In number transmission channel input terminal.
The above is to combine specific embodiment further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；Belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made expansion and the replacement of operating method, data should all be fallen in
Within scope of protection of the utility model.
Claims (3)
1. a kind of one-stop intelligent movable police terminal of opening, including signal input circuit, amplification adjusting circuit and pressure stabilizing are defeated
Circuit out, which is characterized in that the signal input circuit receives open one-stop intelligent movable police terminal received signals and uses
The signal of signal transmission passage input terminal, with inductance L1, capacitor C2 and capacitor C3 composition π type filter circuit filtering, the fortune
It puts and adjusts the signal that circuit divides two-way to receive signal input circuit output, the amplification formed all the way through triode Q1, triode Q2
Circuit amplification, two road transports transport and placing device AR2, transport and placing device AR1 are with phase amplified signal, and wherein the anti-phase input of transport and placing device AR2 terminates
Triode Q1 emitter signal, the last voltage-stabilizing output circuit form voltage regulator circuit pressure stabilizing with triode Q3 and voltage-stabiliser tube D7
After export, that is to say in the open one-stop intelligent movable police terminal received signals signal transmission passage input terminal of input；
The amplification adjusting circuit includes diode D3, and the anode of diode D3 connects the anode of diode D4, and diode D3's is negative
Pole connects the base stage of triode Q1, one end of the collector connecting resistance R1 of triode Q1, resistance R2, another termination power of resistance R1
One end of another terminating resistor R4 of+5V, resistance R2 and the collector of triode Q2, the emitter of triode Q1 meet triode Q2
Base stage and resistance R3 one end, the emitter ground connection of triode Q2, the cathode of diode D4 connects the homophase input of transport and placing device AR2
The output of end, one end of the anti-phase input terminating resistor R5 of transport and placing device AR2 and the other end of resistance R3, transport and placing device AR2 terminates electricity
Hinder the other end of R5 and the non-inverting input terminal of transport and placing device AR1, the one of the anti-phase input terminating resistor R6 of transport and placing device AR1, resistance R7
End, the other end ground connection of resistance R6, the other end of the output terminating resistor R7 of transport and placing device AR1 and the other end of resistance R4.
2. a kind of one-stop intelligent movable police terminal of opening as described in claim 1, which is characterized in that the pressure stabilizing is defeated
Circuit includes triode Q3, one end of the collector connecting resistance R8 of triode Q3 and the output end of transport and placing device AR1, triode Q3 out
Base stage connecting resistance R8 the other end and voltage-stabiliser tube D7 cathode, the emitter of the plus earth of voltage-stabiliser tube D7, triode Q3 connects
One end of resistance R10, another termination signal output port of resistance R10.
3. a kind of one-stop intelligent movable police terminal of opening as described in claim 1, which is characterized in that the signal is defeated
Entering circuit includes inductance L1, a termination signal input port, one end of capacitor C2 and the cathode of voltage-stabiliser tube D1 of inductance L1, pressure stabilizing
The plus earth of pipe D1, the other end ground connection of capacitor C2, one end of another termination capacitor C3 of inductance L1 and diode D4 are just
Pole, the other end ground connection of capacitor C3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821074061.2U CN208424355U (en) | 2018-07-06 | 2018-07-06 | A kind of one-stop intelligent movable police terminal of opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821074061.2U CN208424355U (en) | 2018-07-06 | 2018-07-06 | A kind of one-stop intelligent movable police terminal of opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208424355U true CN208424355U (en) | 2019-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821074061.2U Active CN208424355U (en) | 2018-07-06 | 2018-07-06 | A kind of one-stop intelligent movable police terminal of opening |
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| Country | Link |
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| CN (1) | CN208424355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111010205A (en) * | 2019-12-31 | 2020-04-14 | 国网河南省电力公司信息通信公司 | Power grid terminal information communication system |
-
2018
- 2018-07-06 CN CN201821074061.2U patent/CN208424355U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111010205A (en) * | 2019-12-31 | 2020-04-14 | 国网河南省电力公司信息通信公司 | Power grid terminal information communication system |
| CN111010205B (en) * | 2019-12-31 | 2021-04-13 | 国网河南省电力公司信息通信公司 | Power grid terminal information communication system |
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